65 lines
2.0 KiB
Bash
Executable File
65 lines
2.0 KiB
Bash
Executable File
#!/bin/sh -e
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# ex - archive extractor
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# adapted and improved from the commonly circulating version
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# detects whether unpacking into a subfolder is sensible
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# and shows progress indications for some operations
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# optdepends: rewrite(part of my dotfiles, for unzip line rewriting) 7z p7zip unzip
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# TODO auto-delete archive, auto-extract in current dir, trim .tar.gz fully
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for arg do
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case $arg in
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(-d) del=$(expr ${del:-0} + 1);;
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(-*) param="$arg";;
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(*)
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if test -r "$arg"; then
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fullpath="$(realpath "$arg")"
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name="$(basename "${fullpath%.*}")"
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ls --color -dlhF "$name" >&2 2>/dev/null &&
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echo "Target directory exists - archive already extracted?" >&2 &&
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continue
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namepart="$name.part"
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(
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# Create temporary subfolder if current folder contains stuff
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if test "$(ls -U | wc -l)" -gt 2; then
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mkdir -p "$namepart"
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cd "$namepart"
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fi
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echo "Extracting $arg into $PWD"
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case "$arg" in
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(*.tar.*|*.tar) tar --extract --file "$fullpath";;
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(*.tbz2) tar xjf "$fullpath" ;;
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(*.tgz) tar xzf "$fullpath" ;;
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(*.7z) 7z$(which 7z >/dev/null || echo r) x $param "$fullpath";;
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(*.z01|*.zip|*.jar)
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if which 7z >/dev/null
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then 7z x $param "$fullpath"
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else unzip "$fullpath" | rewrite
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fi;;
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(*.gz) gunzip "$fullpath" ;;
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(*.bz2) bunzip2 "$fullpath" ;;
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(*.rar) unrar x "$fullpath" ;;
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(*.deb) ar x "$fullpath" ;;
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(*.zst) unzstd "$fullpath" ;;
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(*.Z) uncompress "$fullpath";;
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(*) which 7z >/dev/null &&
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7z x $param "$fullpath" ||
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echo "'$arg' cannot be extracted by ex" >&2;;
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esac
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# If we created a temporary subfolder, check if it can be eliminated
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if test "$(basename "$PWD")" = "$namepart"
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then if test $# -lt 2 -a "$(ls -U | wc -l)" -lt 3
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then test "$(ls)" && mv -iv * ..
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cd .. && rm -d "$namepart"
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else cd .. && mv -ivT "$namepart" "$name"
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fi
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fi
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case $del in
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(2) rm "$arg";;
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(1) mv -v "$arg" "/tmp";;
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esac
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)
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else
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echo "'$1' is not a readable file"
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fi;;
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esac
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done
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